... for extruding thermoplastics, such as hard and soft Polyolefins (PP,PE,etc.)/PVC/polyester.For example, pipe, stick, film, thread ... machine head) and screw, so that can satisfy the needs of different material extruding.Suitable screws: 30, 45, 65, 90, ... demarcated and labeled accurately.PLC TypeWith simulating handle panel, human-machine screen, has function of alarm, parameter controlling, printing, ...